glr.cc, lalr1.cc: define b4_shared_declarations

[bison.git] / src / parse-gram.y

diff --git a/src/parse-gram.y b/src/parse-gram.y
index 532349bbe40230c346b85986efd8acffe4abe397..518969948f0586a22d438f41606175240e32e19d 100644 (file)
--- a/src/parse-gram.y
+++ b/src/parse-gram.y
@@ -30,8 +30,10 @@
 #include "quotearg.h"
 #include "reader.h"
 #include "symlist.h"
+#include "symtab.h"
 #include "scan-gram.h"
 #include "scan-code.h"
+#include "xmemdup0.h"
 
 #define YYLLOC_DEFAULT(Current, Rhs, N)  (Current) = lloc_default (Rhs, N)
 static YYLTYPE lloc_default (YYLTYPE const *, int);
@@ -184,30 +186,30 @@ static char const *char_name (char);
 %token TAG_NONE        "<>"
 
 %type <character> CHAR
-%printer { fputs (char_name ($$), stderr); } CHAR
+%printer { fputs (char_name ($$), yyo); } CHAR
 
 /* braceless is not to be used for rule or symbol actions, as it
    calls code_props_plain_init.  */
 %type <chars> STRING "%{...%}" EPILOGUE braceless content.opt
 %type <code> "{...}" "%?{...}"
-%printer { fputs (quotearg_style (c_quoting_style, $$), stderr); }
+%printer { fputs (quotearg_style (c_quoting_style, $$), yyo); }
          STRING
-%printer { fprintf (stderr, "{\n%s\n}", $$); }
+%printer { fprintf (yyo, "{\n%s\n}", $$); }
          braceless content.opt "{...}" "%{...%}" EPILOGUE
 
-%type <uniqstr> BRACKETED_ID ID ID_COLON PERCENT_FLAG TAG variable
-%printer { fputs ($$, stderr); } <uniqstr>
-%printer { fprintf (stderr, "[%s]", $$); } BRACKETED_ID
-%printer { fprintf (stderr, "%s:", $$); } ID_COLON
-%printer { fprintf (stderr, "%%%s", $$); } PERCENT_FLAG
-%printer { fprintf (stderr, "<%s>", $$); } TAG
+%type <uniqstr> BRACKETED_ID ID ID_COLON PERCENT_FLAG TAG tag variable
+%printer { fputs ($$, yyo); } <uniqstr>
+%printer { fprintf (yyo, "[%s]", $$); } BRACKETED_ID
+%printer { fprintf (yyo, "%s:", $$); } ID_COLON
+%printer { fprintf (yyo, "%%%s", $$); } PERCENT_FLAG
+%printer { fprintf (yyo, "<%s>", $$); } TAG tag
 
 %type <integer> INT
-%printer { fprintf (stderr, "%d", $$); } <integer>
+%printer { fprintf (yyo, "%d", $$); } <integer>
 
 %type <symbol> id id_colon string_as_id symbol symbol.prec
-%printer { fprintf (stderr, "%s", $$->tag); } <symbol>
-%printer { fprintf (stderr, "%s:", $$->tag); } id_colon
+%printer { fprintf (yyo, "%s", $$->tag); } <symbol>
+%printer { fprintf (yyo, "%s:", $$->tag); } id_colon
 
 %type <assoc> precedence_declarator
 %type <list>  symbols.1 symbols.prec generic_symlist generic_symlist_item
@@ -341,7 +343,7 @@ prologue_declaration:
 | "%skeleton" STRING
     {
       char const *skeleton_user = $2;
-      if (mbschr (skeleton_user, '/'))
+      if (strchr (skeleton_user, '/'))
         {
           size_t dir_length = strlen (current_file);
           char *skeleton_build;
@@ -353,7 +355,7 @@ prologue_declaration:
             xmalloc (dir_length + 1 + strlen (skeleton_user) + 1);
           if (dir_length > 0)
             {
-              strncpy (skeleton_build, current_file, dir_length);
+              memcpy (skeleton_build, current_file, dir_length);
               skeleton_build[dir_length++] = '/';
             }
           strcpy (skeleton_build + dir_length, skeleton_user);
@@ -385,19 +387,17 @@ grammar_declaration:
     {
       grammar_start_symbol_set ($2, @2);
     }
-| "%destructor" "{...}" generic_symlist
+| code_props_type "{...}" generic_symlist
     {
-      symbol_list *list;
-      for (list = $3; list; list = list->next)
-        symbol_list_destructor_set (list, $2, @2);
-      symbol_list_free ($3);
-    }
-| "%printer" "{...}" generic_symlist
-    {
-      symbol_list *list;
-      for (list = $3; list; list = list->next)
-        symbol_list_printer_set (list, $2, @2);
-      symbol_list_free ($3);
+      code_props code;
+      code_props_symbol_action_init (&code, $2, @2);
+      code_props_translate_code (&code);
+      {
+        symbol_list *list;
+        for (list = $3; list; list = list->next)
+          symbol_list_code_props_set (list, $1, &code);
+        symbol_list_free ($3);
+      }
     }
 | "%default-prec"
     {
@@ -421,6 +421,13 @@ grammar_declaration:
     }
 ;
 
+%type <code_type> code_props_type;
+%union {code_props_type code_type;};
+%printer { fprintf (yyo, "%s", code_props_type_string ($$)); } <code_type>;
+code_props_type:
+  "%destructor"  { $$ = destructor; }
+| "%printer"     { $$ = printer; }
+;
 
 /*---------.
 | %union.  |
@@ -502,9 +509,9 @@ symbols.prec:
 ;
 
 symbol.prec:
-    symbol { $$ = $1; }
-  | symbol INT { $$ = $1; symbol_user_token_number_set ($1, $2, @2); }
-  ;
+  symbol     { $$ = $1; }
+| symbol INT { $$ = $1; symbol_user_token_number_set ($1, $2, @2); }
+;
 
 /* One or more symbols to be %typed. */
 symbols.1:
@@ -521,9 +528,13 @@ generic_symlist:
 
 generic_symlist_item:
   symbol    { $$ = symbol_list_sym_new ($1, @1); }
-| TAG       { $$ = symbol_list_type_new ($1, @1); }
-| "<*>"     { $$ = symbol_list_default_tagged_new (@1); }
-| "<>"      { $$ = symbol_list_default_tagless_new (@1); }
+| tag       { $$ = symbol_list_type_new ($1, @1); }
+;
+
+tag:
+  TAG
+| "<*>" { $$ = uniqstr_new ("*"); }
+| "<>"  { $$ = uniqstr_new (""); }
 ;
 
 /* One token definition.  */
@@ -772,20 +783,11 @@ add_param (param_type type, char *decl, location loc)
   }
 
   if (! name_start)
-    complain_at (loc, _("missing identifier in parameter declaration"));
+    complain_at (loc, complaint,
+                 _("missing identifier in parameter declaration"));
   else
     {
-      char *name;
-      size_t name_len;
-
-      for (name_len = 1;
-           memchr (alphanum, name_start[name_len], sizeof alphanum);
-           name_len++)
-        continue;
-
-      name = xmalloc (name_len + 1);
-      memcpy (name, name_start, name_len);
-      name[name_len] = '\0';
+      char *name = xmemdup0 (name_start, strspn (name_start, alphanum));
       if (type & param_lex)
         muscle_pair_list_grow ("lex_param", decl, name);
       if (type & param_parse)
@@ -802,7 +804,7 @@ version_check (location const *loc, char const *version)
 {
   if (strverscmp (version, PACKAGE_VERSION) > 0)
     {
-      complain_at (*loc, "require bison %s, but have %s",
+      complain_at (*loc, complaint, "require bison %s, but have %s",
                    version, PACKAGE_VERSION);
       exit (EX_MISMATCH);
     }
@@ -811,7 +813,7 @@ version_check (location const *loc, char const *version)
 static void
 gram_error (location const *loc, char const *msg)
 {
-  complain_at (*loc, "%s", msg);
+  complain_at (*loc, complaint, "%s", msg);
 }
 
 char const *